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Pharmaceutical Testing Reference Mterials

Pharmaceutical Reference Materials (PRMs) refer to substances with defined characteristic values used for calibrating instruments, evaluating measurement methods, or assigning values to tested pharmaceuticals in physical/chemical tests and biological assays specified by pharmacopoeial standards. These include reference standards, comparators, herbal reference materials, and reference preparations.

Hengyuan Fine Chemical specializes in providing cost-effective reference material solutions for pharmaceutical quality control, encompassing:

  • Drug testing reference standards
  • Pharmaceutical impurity reference standards
  • NIFDC-certified reference materials
  • Chemical analysis reference standards
  • Traditional Chinese Medicine (TCM) analytical standards
  • TCM reference standards
  • Herbal blank matrices for pesticide residue testing
  • Bio-peptide reference standards
All products under our PCL brand comply with both national standards and international guidelines. Our accreditations include:

  • CNAS certification (China National Accreditation Service for Conformity Assessment)
  • ISO 17034:2016 certification for reference material producers
  • ISO 9001:2015 quality management system certification We implement a comprehensive quality management system supported by Certificates of Analysis (COA), ensuring high purity (>98%), batch-to-batch consistency, and full traceability. Our solutions are widely applied in pharmaceutical R&D, QC testing, and analytical verification to enhance testing accuracy and operational efficiency.

Through our vertically integrated business model (R&D-production-sales), we eliminate intermediaries to deliver:

 ✓ Bulk supply capacities for routine QC needs 

✓ Custom synthesis services for specialized compounds 

✓ 30-50% cost reduction versus market averages 

✓ Streamlined procurement workflows 

This dual approach establishes economically optimized yet reliable quality control frameworks for clients across the pharmaceutical value chain.



Product Number Image Product Name CAS No. Molecular Formula
Product Number:PCL-#-Ai118-50mg 1-(3-Buten-1-yl)-4-(2,3-dichlorophenyl)-piperazine; Aripiprazole elimination impurity 2 Product Name:1-(3-Buten-1-yl)-4-(2,3-dichlorophenyl)-piperazine; Aripiprazole elimination impurity 2 CAS No.:1424857-93-1 Molecular Formula:
Product Number:PCL-#-V039-50mg Vonorazan fumarate impurity U9 Product Name:Vonorazan fumarate impurity U9 CAS No.:1885094-62-1 Molecular Formula:
Product Number:PCL-R-112-50mg 1,4-dibromobutane Product Name:1,4-dibromobutane CAS No.:110-52-1 Molecular Formula:
Product Number:PCL-#-Bz0249-50mg Erotinib impurity 67 Product Name:Erotinib impurity 67 CAS No.:1494468-76-6 Molecular Formula:
Product Number:PCL-#-Li117-100mg N,O-Devinyl linezolid, morpholine ring-opening impurity Product Name:N,O-Devinyl linezolid, morpholine ring-opening impurity CAS No.:1219708-30-1 Molecular Formula:
Product Number:PCL-#-Ed003-250mg Edoxaban impurity A Product Name:Edoxaban impurity A CAS No.:1210348-34-7 Molecular Formula:
Product Number:PCL-#-Bz0048-50mg Omeprazole impurity 14 Product Name:Omeprazole impurity 14 CAS No.:2101206-66-8 Molecular Formula:
Product Number:PCL-#-Fm1020-50mg FMOC-D-alanine Product Name:FMOC-D-alanine CAS No.:79990-15-1 Molecular Formula:
Product Number:PCL-#-Es005-100mg Escitalopram USP impurity E Product Name:Escitalopram USP impurity E CAS No.:62498-71-9 Molecular Formula:
Product Number:PCL-#-Vo933-50mg Vortioxetine Product Name:Vortioxetine CAS No.:508233-74-7 Molecular Formula:
Product Number:PCL-#-Bz0179-50mg Boc-beta-alanine Product Name:Boc-beta-alanine CAS No.:3303-84-2 Molecular Formula:
Product Number:PCL-#-Al731-25mg Elamectin impurity 2 Product Name:Elamectin impurity 2 CAS No.:N/A Molecular Formula:
Product Number:PCL-#-Qu019-50mg Quetiapine EP impurity U Product Name:Quetiapine EP impurity U CAS No.:5786-26-5 Molecular Formula:
Product Number:PCL-#-Ni024-100mg Nicorandil impurity I Product Name:Nicorandil impurity I CAS No.:2250142-73-3 Molecular Formula:
Product Number:PCL-#-Di083-1ml N,N-dimethylbutylamine Product Name:N,N-dimethylbutylamine CAS No.:927-62-8 Molecular Formula:
Product Number:PCL-#-Ii115-50mg Ibuprofen EP impurity R Product Name:Ibuprofen EP impurity R CAS No.:102120-87-6 Molecular Formula:
Product Number:PCL-#-Az016-100mg 1-Methyl-4-hydrazino-azepane hydrochloride (Azelastine hydrochloride impurity M3) Product Name:1-Methyl-4-hydrazino-azepane hydrochloride (Azelastine hydrochloride impurity M3) CAS No.:N/A Molecular Formula:
Product Number:PCL-#-La010-100mg Lamotrigine EP impurity C Product Name:Lamotrigine EP impurity C CAS No.:94213-23-7 Molecular Formula:
Product Number:PCL-#-Ni008-100mg N-methyl-N-nitrosoaniline Product Name:N-methyl-N-nitrosoaniline CAS No.:614-00-6 Molecular Formula:
Product Number:PCL-#-Bz0420-50mg Nifedipine impurity 1 Product Name:Nifedipine impurity 1 CAS No.:21829-09-4 Molecular Formula:
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